Seiko Cal. 3892 - 420

The 3892-420 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3892 caliber with 21j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-c0ae78d0f275]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

Related Models

• Seiko 6362-125
• Seiko 5220-291
• Seiko 5291-237
• Seiko 6246-943
• Seiko 3871-129
• Seiko 7176-879
• Seiko 3882-888
• Seiko 7080-103
• Seiko 4444-214
• Seiko 7033-738
• Seiko 4413-421
• Seiko 0796-119